其缺点是使用导管的医生对患处的观察范围有限。
A drawback is that a catheter-toting surgeon only has a limited view of the afflicted region.
第三个例子则是在前一个波导管的基础上再加入一个不能传导波的区域，使得原先的波导管一分为二。
A third example builds on the waveguide, adding another non-supporting region to split the waveguide into two.
这种波导管的主要特点是结构简单。
This waveguide tube is chiefly characterized by its simplicity of structure.
我国第一口水深超千米的深水井——荔湾3-1-1井利用该技术成功完成了导管的安装，井口装置没有出现井口失稳的问题。
The first deepwater well, Liwan 3-1-1, in China, utilizes this technology to install the conductors successfully without the problem of non-stable wellhead.
通过导管吸入的空气轻轻地飘荡在蜜蜂周围。
下面介绍具体步骤：所需工具为锤子、电钻、导管和用来装桦树汁的瓶子。
Here is the detailed instruction: All you need is a hammer, drill, tubes and a bottle for SAP.
当我最初进行移植手术时，我的静脉中必须要长期植入导管。
When I had my first transplant I had to have a long-term catheter placed in a vein.
在冠状动脉造影时，一个细管(导管)通过血管进入心脏，注入一种特殊的染料。
During coronary angiography, a thin tube (catheter) is threaded through a blood vessel into the heart, where a special dye is injected.
消融术这种方法将一个或多个导管通过血管穿入心脏并定位于引起心率失常的病灶处。
Ablation therapy. In this procedure, one or more catheters are threaded through your blood vessels to your inner heart.
结论：经导管法封堵中老年人冠状动脉瘘创伤小，安全有效，可作为合适患者的首选方法。
Conclusion: Transcatheter closure of coronary artery fistulas is an effective, safe and reliable method in the middle age and aged patients.
同样，心房颤动的射频导管消融治疗也取得了突破性的进展。
Similarly, radiofrequency catheter ablation for atrial fibrillation also made a breakthrough.
在管道输油时代之前，苏伊士运河是中东向欧洲输送能源的关键导管。
In the pre-pipeline era, the canal was a key conduit for energy supplies from the Middle East to Europe.
这些玻璃导管能够让研究者在数周或是数月后重新观察同样部位的深部大脑。
The guide tubes allow researchers to return to exactly the same location of the deep brain repeatedly over weeks or months.
与肝癌密切关联的是肝内胆道癌，发生于由肝脏向小肠输送胆汁的导管内。
A closely related cancer is intrahepatic bile duct cancer, which occurs in the duct that carries bile from the liver to the small intestine.
A组采用改良的右心导管测定法测定肺动脉平均压、右心室收缩压、右心室舒张压。
The MPAP, RVSP, RVDP were determined by modified rig ht heart catheterization in group A.
科学家们在蚊子肾部的导管中发现了一种关键的蛋白，它能帮助蚊子进行必要的排泄。
Scientists have discovered a key protein in the renal tubes of these mosquitoes that helps with the necessary excretion.
非典型腺管增生是一种生长在乳导管里的不正常细胞。
Atypical ductal hyperplasia is abnormal cells that grow in the milk ducts of the breast.
科学家可以通过导管尾端的一个玻璃窗观察大脑的内部结构。
The guide tubes have glass Windows at the ends through which scientists can examine the interior of the brain.
虽然，客观上讲，植入导管并非我所经历的最糟糕的事情，但至今我依然清楚地记得当时我感受到的那种痛苦，仅仅是因为对为什么需要植入导管以及植入时间需要多长的不确定感。
Although this was, objectively, far from the worst thing I experienced, I recall vividly the anguish I felt, simply because of the uncertainty about why and for how long the catheter would be needed.
肝素帽是在静脉里放置导管，添加血液稀释的肝素滴液以预防血管栓塞，而导管被锁住。
With a heparin lock, a catheter is placed in the vein, a drop of the blood-thinning medication heparin is added to prevent clotting, and the catheter is locked off.
这就形成了一个“波导管”，就像一个单原子厚度的光纤电缆。
This produces a "waveguide," which functions like a one-atom-thick fiber optic cable.
一个比米粒还小的、柔软的东西通过导管被送入到输卵管内。
A catheter delivers a soft material smaller than a grain of rice into the tube.
在一些医院会给所有孕妇放留置针，在你的静脉安放灵活的导管(往往在你的手背，或者小手臂)，好做液体点滴。
In some hospitals, it's routine to give all women in labor an iv, a flexible catheter placed in your vein (usually in the back of your hand or lower arm) to drip in fluids and medication.
而对波导管性能的最后一次测定是在3年以前。
The properties of the waveguide were last measured three years ago.
这篇文章将引导管理人员通过这些必要的步骤，利用IM程序最新的版本来管理产品的安装。
This article will guide managers through the steps necessary to govern product installation using the latest version of the IM utility.
例如，当一个中微子击中格朗萨索的检测器后，该信号必须通过波导管传送8公里方能进行时间测量。
For instance, when a neutrino strikes the detector in Gran Sasso, that signal has to travel 8km through a waveguide before a timing measurement can be made.
例如，当一个中微子击中格朗萨索的检测器后，该信号必须通过波导管传送8公里方能进行时间测量。
For instance, when a neutrino strikes the detector in Gran Sasso, that signal has to travel 8km through a waveguide before a timing measurement can be made.
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